95228820821 has 2 divisors, whose sum is σ = 95228820822. Its totient is φ = 95228820820.

The previous prime is 95228820793. The next prime is 95228820829. The reversal of 95228820821 is 12802882259.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89289806596 + 5939014225 = 298814^2 + 77065^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-95228820821 is a prime.

It is a super-2 number, since 2×95228820821² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (95228820829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47614410410 + 47614410411.

It is an arithmetic number, because the mean of its divisors is an integer number (47614410411).

Almost surely, 2^95228820821 is an apocalyptic number.

It is an amenable number.

95228820821 is a deficient number, since it is larger than the sum of its proper divisors (1).

95228820821 is an equidigital number, since it uses as much as digits as its factorization.

95228820821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 47.

The spelling of 95228820821 in words is "ninety-five billion, two hundred twenty-eight million, eight hundred twenty thousand, eight hundred twenty-one".